65038473 has 24 divisors (see below), whose sum is σ = 97381440. Its totient is φ = 41801760.

The previous prime is 65038469. The next prime is 65038499. The reversal of 65038473 is 37483056.

It is a happy number.

65038473 is a `hidden beast` number, since 6 + 503 + 84 + 73 = 666.

It is not a de Polignac number, because 65038473 - 2² = 65038469 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65038873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26988 + ... + 29298.

It is an arithmetic number, because the mean of its divisors is an integer number (4057560).

Almost surely, 2^65038473 is an apocalyptic number.

It is an amenable number.

65038473 is a deficient number, since it is larger than the sum of its proper divisors (32342967).

65038473 is a wasteful number, since it uses less digits than its factorization.

65038473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429 (or 2426 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 65038473 is about 8064.6433895120. The cubic root of 65038473 is about 402.1518881011.

The spelling of 65038473 in words is "sixty-five million, thirty-eight thousand, four hundred seventy-three".